McIntosh C26, Руководство пользователя

Страница: 4 / 20

Adequate ventilation extends the trouble-free
life of electronic instruments. It is generally found
that each 10° centigrade (18° F) rise in tempera-
ture reduces the life of electrical insulation by one
half. Adequate ventilation is an inexpensive and
effective means of preventing insulation break-
down that results from unnecessarily high operat-
ing temperatures. The direct benefit of adequate
ventilation is longer, trouble-free life.
Allow at least 15 inches deep x 17½ inches wide
x 6 inches high for mounting the C 26. Always
allow for air flow by either ventilation holes or
space next to the bottom of the preamplifier and
a means for a warm air to escape at the top.
It is recommended that the C 26 be mounted in
a normal or horizontal position. However, with
adequate ventilation the preamplifier can be
mounted in any position.
To prepare the C 26 for installation remove the
plastic protective covering. Turn the C 26 upside
down so that it rests on its top on the shipping
pallet. Remove the four plastic feet fastened to
the bottom of the chassis.
Next, place the mounting brackets, the parts
bag and the mounting template at hand.
The PANLOC professional mounting design elimi-
nates the need for any shelf or bracket to support
the C 26. It is completely supported by its own
mounting brackets.
The design of the mounting template allows you
to position or locate the cutout from the front or
rear of the panel to which the instrument is to be
mounted. Position the plastic mounting template
over the area of the panel to be cut out for installa-
tion.
If the cutout is to be located from the front of
the panel, begin at step 2. If the cutout is to be
located from the rear of the panel, begin here.
1. On the back of the cabinet panel, scribe a
vertical centerline through the exact center of
the area in which the cutout is to be made.
Place the template against the back of the
panel and match the template centerline with
the centerline on the cabinet panel.
Make sure that there is at least ¼ inch clear-
ance between the bottom of the dashed line
of the cutout area on the template and any
shelf or brace below the proposed cutout.
Mark the two locating holes ("C" holes on
the mounting template).
Drill the two locating holes. Be certain the
drill is perpendicular to the panel.
Now position the template on the front of the
panel by aligning the "C" locating holes on
the template with the drill holes.
2. If the cutout is to be located from the front of
the panel:
With the template in place against the cabi-
net panel, mark the "A" and "B" drill holes and
the four small holes that identify the corners of
the cutout. Join the corner marks with a pencil.
The edge of the template can be used as a
straight edge.
IMPORTANT: DRILL THE 6 HOLES BEFORE
MAKING THE CUTOUT.
Accurately drill the three holes on each side of
the cutout area with
3
/
16
inch drill.
With the saw on the INSIDE OF THE PENCIL
LINES carefully cut out the rectangular opening.
Secure the mounting strips to the rear of the
cabinet panel using two screws from the hardware
package.
2